Exercise 1.6.15
Trigonometry
In the REPL
pi
(sin pi)
(cos pi)
(tan pi)
What You Should See
* pi
3.141592653589793d0
* (sin pi)
1.2246467991473532d-16
* (cos pi)
-1.0d0
* (tan pi)
-1.2246467991473532d-16
Learn Lisp The Hard Way by "the Phoeron" Colin J.E. Lupton is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License.